S
M
T
W
T
F
S
28
83°
68°
29
90°
74°
30
94°
73°
1
95°
72°
2
94°
72°
3
91°
70°
4
89°
68°
5
87°
69°
6
87°
66°
7
82°
63°
8
85°
66°
9
88°
67°
10
84°
66°
11
85°
64°
12
84°
65°
13
80°
59°
14
79°
59°
15
79°
60°
16
80°
61°
17
80°
63°
18
82°
66°
19
80°
64°
20
80°
66°
21
82°
66°
22
82°
65°
23
83°
67°
24
86°
67°
25
85°
66°
26
86°
67°
27
86°
67°
28
85°
66°
29
86°
66°
30
85°
60°
31
79°
59°
1
78°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in New Haven
New Haven's July 2026 forecast shows daily high temperatures ranging from 78° to 95°, with overnight lows between 59° and 74°. The average high for July is 85° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in New Haven. See also: August | September | October.
